Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lhunspell
Writing Makefile for Text::Hunspell

Microsoft (R) Program Maintenance Utility   Version 6.00.8168.0
Copyright (C) Microsoft Corp 1988-1998. All rights reserved.

Math::BigInt: couldn't load specified math lib(s), fallback to Math::BigInt::FastCalc at C:/cpanrun/build/5-10-0/site/lib/Win32API/File.pm line 20
cp Hunspell.pm blib\lib\Text\Hunspell.pm
	C:\cpanrun\build\5-10-0\bin\perl.exe C:\cpanrun\build\5-10-0\lib\ExtUtils\xsubpp  -C++ -typemap C:\cpanrun\build\5-10-0\lib\ExtUtils\typemap -typemap perlobject.map -typemap typemap -typemap typemap  Hunspell.xs > Hunspell.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv Hunspell.xsc Hunspell.c
	g++ -c    -nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_INC -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX -MD -Zi -DNDEBUG -O1    -DVERSION=\"1.21\"  -DXS_VERSION=\"1.21\"  "-IC:\cpanrun\build\5-10-0\lib\CORE"   Hunspell.c
'g++' is not recognized as an internal or external command,
operable program or batch file.
NMAKE : fatal error U1077: 'g++' : return code '0x1'
Stop.